Parth sits next to 3 phonetic neighbors — Arth, Perth, and Garth are the closest matches by sound. Most share Parth's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"prince of the Parthians"
"boundless, without measure"
"epithet of Vishnu, golden, yellow"
"northeast direction, auspicious"
"honorable, reverend"
"particle of the sun god"
"young plant, sapling"
"fearless, without fear"
"blessed by Krishna"
"blowing out of desire and suffering"
"jewel, ornament"
"vital energy, radiance, vigor, strength"
"small piece of iron"
"king of kings, realm"
Similar sound: These names share phonetic patterns with Parth — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Parth.
Rhythm: Parth is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.